Cainan possession; smith. (1.) The fourth antediluvian patriarch, the eldest son of Enos. He was 70 years old at the birth of his eldest son Mahalaleel, after which he lived 840 years (Gen. 5:9-14), and was 910 years old when he died. He is also called Kenan (1 Chr. 1:2). (2.) The son of Arphaxad (Luke 3:36). He is nowhere named in the Old Testament. He is usually called the "second Cainan."